public class Example7_5 {

   public static void main(String args[]) {

      Bank bank=new Bank();

      try{  bank.income(200,-100);

            bank.income(300,-100);

            bank.income(400,-100);

            System.out.printf("银行目前有%d元\n",bank.getMoney());

            bank.income(200, 100);

            bank.income(99999,-100);

      }

      catch(BankException e) {

            System.out.println("计算收益的过程出现如下问题:");

            System.out.println(e.warnMess());        

      }

      System.out.printf("银行目前有%d元\n",bank.getMoney());

   }

}
